Body plan composed of two halves which are mirror images of each other. Bilateral symmetry. In science, bilateral symmetry means that if you draw a line down the middle of a living organism, both sides look the same.
Bilateral Symmetry: Body plan composed of two halves which are mirror images of each other. Bilateral symmetry. In science, bilateral symmetry means that if you draw a line down the middle of a living organism, both sides look the same.
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